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20130212
20130212
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earthquake was detected in and around the test site. the u.s. geological survey measured magnitude 4.9, considerably more powerful than previous tests. leaders have condemned it. and there are protests in south korea. they have the north korean flag and pictures of the leader of north korea, kim john thune. >> this remote mountain range in northern north korea for weeks has been under scrutiny. on tuesday the wait was over. pyeongchang said it carried out a test of a miniaturized nuclear weapons in a tunnel. this nuclear tests, unlike the previous one, was safely and perfect conducted at a high level by using a smaller and lighter nuclear armed with high explosive part. >> that claim marks a change about north korea's nuclear program. for years the governments here and in the u.s. have said north korea was some way of having a miniaturize device suitable for use on top of a missile. at least, this test brings that prospect closer. despite last year's successful rocket launch, north korea has yet to develop ballistic missile that could strike the u.s. that the country it says its nucl
was conventional. he used melodramatic devices, usually making quite explicit the division between good characters and bad. to make deceptively simple-looking plays, he wrote what was called the well-made play, that is, a play so carefully constructed that almost every line and object turned out to have some important use in a latter part of the play. it was said that if the heroine of a well-made play coughs in the first act, she will surely die of tuberculosis by the end. if a gun is handled, it will surely be used. there are no casual deliveries of mail. a letter will bring joy to some, destruction to others. no one will merely observe the beauty of a piece of jewelry. it will surely turn up later as part of someone's effort to conceal the past. ibsen's audiences love such revelations in which it is shown that things are not what they seem to be. the baby is the child of someone else. the poor man has unexpectedly inherited a fortune. surprises abound as, for instance, when a legal document is suddenly flourished, astounding all present. the wild duck contains such a document and revelations. t
write change in anymore. i'm gonna use a greek symbol for change in. what's the symbol, gang? - delta. - delta, that's right. so i'm gonna write that from now on as f multiplied by t equals change in. get it? delta mv. this is what we're gonna talk about today. so this delta mv, that's delta momentum. we have a name for force times time. what's the name of the force of an object multiplied by the duration of time in which that force acts? we have a name for that. it's not so common a name as this one, but see if you sit next to someone who knows what is the name of force multiplied by the time during which that force acts. go. talk it up. what is it, gang? impulse. what's the name of this? what? - impulse. - impulse. all right. impulse. okay. so we write. impulse equals change in momentum, that's what we're gonna talk about today. you wanna change the momentum of something then you have to apply an impulse. what's an impulse? that's hitting it over some time interval. down here i have a-- see that golf ball on a tee. see this golf club right here? what's the momentum of the golf ball
product we can put in front of our kids, it makes us very happy. >> so now each school day, bright and early, the revolution is beginning at the rev food headquarters in alameda, and in a converted mcdonald's of all places. but now instead of fast food, kids are being introduced to entrees that are fast, healthy, and good for them. here, all the food is prepared fresh daily--nothing fried, processed, or reheated. from there, workers then deliver the lavish lunches to schools all across the bay area and in los angeles, as well. >> every single lunch and breakfast has a piece of-- a serving of whole fruit. and most of our snacks come with a serving of whole fruit. and if they don't come with that, they come with a serving of fresh vegetables. >> to help with their new food revolution, the ladies built key partnerships with whole foods, clover stornetta, and diestel turkeys. as well, the three began sourcing from local farmers throughout the bay area, like torrey olson of gabriel farms in sebastopol. gabriel farm is a 14-acre organic farm located in the ideal fruit-growing climate of
Search Results 0 to 3 of about 4